“Watch these USB charger teardown horror-shows to further understand why it's rational to pay for proper”
Teardowns show why quality chargers matter.
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TL;DR: spend the $19 to buy a real, big brand USB charger because they have more to lose than grey market no brand. Tragic. Probably cheap USB without mains isolation or maybe enough water dripped down length of cable and socket to create a circuit, because USB is supposed to be 5V DC. Watch these USB charger teardown horror-shows to further understand why it's rational to pay for proper, authentic CE+UL, high-low isolation and quality components (ie insulated tape in transformers): linkthis videolinklinklinklink
Recommendsfnord123Apr 2017
“Also of interest is this teardown of the Koppla USB power supply”
Teardown of a well-made IKEA USB power supply.
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Also of interest is this teardown of the Koppla USB power supply: this video It's also a pretty darn good piece of kit.
Cites itDaneel_Aug 2021
“Big Clive also did a fairly comprehensive teardown of the IKEA charger and was pleasantly surprised with the design”
Teardown of IKEA charger with a pleasantly good design.
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Big Clive also did a fairly comprehensive teardown of the IKEA charger and was pleasantly surprised with the design: this video He also confirms that the control chip is a 1699-02.
